How much wastewater does City Of Shenandoah STP treat?

City Of Shenandoah STP is permitted for a design flow of 5.4 MGD. Its average daily flow is not available in the current EPA data.

What is the NPDES permit for City Of Shenandoah STP?

The facility discharges under NPDES permit IA0032328, currently effective, expiring January 2027.

Is City Of Shenandoah STP in compliance?

Discharge monitoring reports show 75 violations at City Of Shenandoah STP in the last three years, 75 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates City Of Shenandoah STP and how do I contact them?

City Of Shenandoah STP is a publicly owned treatment works in Shenandoah, Iowa. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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City Of Shenandoah STP

Q: What treatment technology does City Of Shenandoah STP use?

Klarifi has identified clarifiers, aerated lagoons, biogas silos, biogas balloons at the Shenandoah facility.

Shenandoah, IA · Fremont County · Publicly Owned Treatment Works

Average flow: —

Design flow: 5.4 MGD

NPDES permit: IA0032328; Effective

Permit expires: January 2027

Population served: 5,824; CWNS 2022

City Of Shenandoah STP is a publicly owned wastewater treatment works in Shenandoah, Fremont County, Iowa, serving about 5,824 residents. Treatment on site includes clarifiers, aerated lagoons, biogas silos, biogas balloons. It discharges under NPDES permit IA0032328 (effective), which expires in January 2027, with 75 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Clarifiers

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Aerated lagoons

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Biogas silos

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Biogas balloons

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Compliance snapshot (last 3 years)

Total violations: 75

Effluent violations: 75

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

1 verified contact for City Of Shenandoah STP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at City Of Shenandoah STP, plus the full compliance history and discharge data.

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City Of Shenandoah STP: frequently asked questions

Sources and methodology

Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.

Data refreshed September 11, 2026; facility record last updated January 23, 2025.

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